ALIO GOLD FILES UPDATED TECHNICAL REPORTS

June 9, 2017, Vancouver, BC – Alio Gold Inc (TSX, NYSE MKT: ALO) (“Alio Gold” or the “Company”), formerly Timmins Gold Corp., announced today that it has filed an updated NI 43-101 compliant technical report for the high-grade, high-margin Ana Paula project on the highly prospective Guerrero Gold Belt, Mexico. The report is available on http://www.sedar.com and the Company’s website.

The results of the Ana Paula Pre-Feasibility Study issued June 7, 2017 incorporates non-material changes requested by the British Columbia Securities Commission as part of a routine review. The June 7th technical report entitled “Preliminary Feasibility Study” and labelled Revision 1 by M3 Engineering supersedes the original report dated May 26, 2017 (Revision 0).